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阻力系数F_R是指聚合物降低水油流度比的能力,即水的流度与聚合物溶液流度的比值。残余阻力系数F_(RR)是指聚合物溶液降低渗透率的能力,等于聚合物驱前后岩石水相渗透率的比值。阻力系数与残余阻力系数是室内筛选和评价聚合物的重要指标,也是矿场方案设计和实施的重要依据。聚合物不同,油藏条件不同,F_R和F_(RR)也不同。本文对庆化院和登16用KYPAM315020两种聚合物的阻力系数和残余阻力系数进行测定与评价。
The drag coefficient, F_R, refers to the ability of a polymer to reduce the water to oil flow ratio, the ratio of the water flow to the polymer flow. Residual drag coefficient F_ (RR) refers to the ability of the polymer solution to reduce permeability, equal to the ratio of rock water permeability before and after polymer flooding. Resistance coefficient and residual resistance coefficient are important indicators of indoor screening and evaluation of polymers, but also mine design and implementation of an important basis. Different polymers, different reservoir conditions, F_R and F_ (RR) are also different. In this paper, Qinghua Hospital and Deng 16 with KYPAM315020 two polymer resistance coefficient and residual resistance were measured and evaluated.